120101222101021 has 4 divisors (see below), whose sum is σ = 137258539544032. Its totient is φ = 102943904658012.

The previous prime is 120101222100997. The next prime is 120101222101037.

120101222101021 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120101222101021 - 2¹⁵ = 120101222068253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101222100986 and 120101222101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101222101321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8578658721495 + ... + 8578658721508.

It is an arithmetic number, because the mean of its divisors is an integer number (34314634886008).

Almost surely, 2^{120101222101021} is an apocalyptic number.

It is an amenable number.

120101222101021 is a deficient number, since it is larger than the sum of its proper divisors (17157317443011).

120101222101021 is an equidigital number, since it uses as much as digits as its factorization.

120101222101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157317443010.

The product of its (nonzero) digits is 32, while the sum is 16.

The spelling of 120101222101021 in words is "one hundred twenty trillion, one hundred one billion, two hundred twenty-two million, one hundred one thousand, twenty-one".